S
M
T
W
T
F
S
26
79°
68°
27
79°
70°
28
80°
70°
29
80°
68°
30
80°
70°
31
80°
70°
1
81°
69°
2
80°
70°
3
80°
70°
4
80°
69°
5
80°
70°
6
80°
70°
7
81°
69°
8
80°
70°
9
80°
69°
10
80°
70°
11
80°
70°
12
80°
69°
13
79°
70°
14
80°
70°
15
80°
69°
16
81°
70°
17
82°
68°
18
83°
69°
19
83°
68°
20
82°
69°
21
83°
68°
22
82°
67°
23
82°
68°
24
83°
68°
25
82°
69°
26
83°
68°
27
83°
68°
28
82°
67°
29
82°
68°
30
83°
68°
31
82°
67°
1
81°
68°
2
81°
68°
3
82°
69°
4
83°
69°
5
83°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Waikoloa
Waikoloa's August 2026 forecast shows daily high temperatures ranging from 79° to 83°, with overnight lows between 67° and 70°. The average high for August is 81° with an average low of 69°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Waikoloa. See also: September | October | November.
